The phrase "achievement thereof" is correct and usable in written English.
It can be used in formal contexts to refer to the accomplishment or attainment of something previously mentioned.
Example: "The committee will review the progress made towards the project and assess the achievement thereof in the upcoming meeting."
Alternatives: "attainment of it" or "success in that".
It effectively announces each child's achievement, or lack thereof, to their peers.
Instead of the vague mandate of "adequate yearly progress," federal financing should be conditioned on truth in advertising — on reliably describing achievement (or lack thereof) and spending.
According to the researchers, this means that inborn numerical estimation abilities are linked to achievement (or lack thereof) in school mathematics.
It couldn't happen too soon in test-oppressed California, where recent headlines tell a sobering story about achievement, or lack thereof.
Knowing it will result in a column means the going is a bit slower; I take more time to appreciate and understand the author's intentions, skills and achievements–or lack thereof.
Problems regarding the student achievement of students or groups thereof are considered as something that the students, the educational institution or society at large should cope with, not teachers themselves.
But if the answer to the Palestinian achievement will be reprisal, or threats thereof, or even vague promises, then the Palestinian Authority will pursue a strategy of joining treaties and agencies one after the other, as it is required to do in response to Israeli and American measures.
The comment I would like to add has to do with the problem I ran into early in my career as a business process engineer; the problem of 'goal clarity' or lack thereof as the primary culprit leading to under-achievement and less than optimal productivity.
We thus confirm and extend the observations of the French group [ 12] as follows: It seems that achievement of any form of disease stabilization, be it mSD or HI alone, and especially the combination thereof (without the requirement of concomitant BM blast reduction, but with the minimal requirement of mSD), is sufficient to confer a clinically relevant OS benefit.
